A metal ring of initial radius r and cross-sectional area A is fitted onto a wooden disc of radius R > r. If Youngs modules of metal is Y then tension in the ring is

A steel ring of radius r and cross-sectional area A is fitted onto a wooden disc of radius R (R gt r). If the Young's modulus of steel is Y, then the force with which the steel ring is expanded is ..........

A metallic ring of radius r and cross-sectional area A is fitted into a wooden circular disc of radius R (R gt r) . If the Young's modulus of the material of the ring is Y, the force with which the metal ring expands is

A steel ring of radius r and cross section area A is fitted on to a wooden disc of radius R(Rgtr) . If Young's modulus be R, then the force with which the steel ring is expanded is

A steel ring of radius r and cross section area A is fitted on to a wooden disc of radius R(Rgtr) . If Young's modulus be R, then the force with which the steel ring is expanded is

A steel ring of radius r and cross section A is fitted on to a wooden disc of radius R(R gt r) . IF young's modulus be E, then the force with which the steel rings is expanded is